[Winpcap-bugs] pcap_sendpacket

[Jim Gibbons]

I believe that I am using version 3.1 of the code.  That's what the doc 
file says.  However, pcap.h has #define's for the major and minor 
version indicating 2.4.

I have found that if I call pcap_sendpacket with a length of 0 (which is 
admittedly a very stupid thing to do), I can crash XP.

    The circumstances were actually a little bit funny.  We have a
    tester app that generates packets to a system under test.  The
    tester app uses pcap_sendpacket to send out these test packets. 
    When it is time to stop the test, we send out a packet to tell the
    system under test to shut down our packet.  That was the one that I
    sent with a length 0.  So, when I pressed the stop button on our
    app, it stopped XP dead in its tracks.  Even the monitor turned
    off.  Some stop button, eh?

-- 
Jim Gibbons
	jim at gibbons.com
Gibbons and Associates, Inc.
	TEL: (408) 984-1441
900 Lafayette, Suite 704, Santa Clara, CA
	FAX: (408) 247-6395



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